1: /* os9k.h  -  OS-9000 i386 module header definitions
    2:    Copyright 2000 Free Software Foundation, Inc.
    3: 
    4: This file is part of GNU CC.
    5:    
    6: GNU CC is free software; you can redistribute it and/or modify
    7: it under the terms of the GNU General Public License as published by
    8: the Free Software Foundation; either version 2, or (at your option)
    9: any later version.
   10: 
   11: GNU CC is distributed in the hope that it will be useful,
   12: but WITHOUT ANY WARRANTY; without even the implied warranty of
   13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   14: GNU General Public License for more details.
   15: 
   16: You should have received a copy of the GNU General Public License
   17: along with GNU CC; see the file COPYING.  If not, write to
   18: the Free Software Foundation, 51 Franklin Street - Fifth Floor,
   19: Boston, MA 02110-1301, USA.  */
   20: ^L
   21: #if !defined(_MODULE_H)
   22: #define _MODULE_H
   23: 
   24: #define _MPF386
   25: 
   26: /* Size of common header less parity field.  */
   27: #define N_M_PARITY  (sizeof(mh_com)-sizeof(unisgned short))
   28: #define OLD_M_PARITY 46
   29: #define M_PARITY N_M_PARITY
   30: 
   31: #ifdef _MPF68K
   32: #define MODSYNC 0x4afc          /* Module header sync code for 680x0 processors.  */
   33: #endif
   34: 
   35: #ifdef _MPF386
   36: #define MODSYNC 0x4afc          /* Module header sync code for 80386 processors.  */
   37: #endif
   38: 
   39: #define MODREV  1                /* Module format revision 1.  */
   40: #define CRCCON  0x800063 /* CRC polynomial constant.  */
   41: 
   42: /* Module access permission values.  */
   43: #define MP_OWNER_READ   0x0001
   44: #define MP_OWNER_WRITE  0x0002
   45: #define MP_OWNER_EXEC   0x0004
   46: #define MP_GROUP_READ   0x0010
   47: #define MP_GROUP_WRITE  0x0020
   48: #define MP_GROUP_EXEC   0x0040
   49: #define MP_WORLD_READ   0x0100
   50: #define MP_WORLD_WRITE  0x0200
   51: #define MP_WORLD_EXEC   0x0400
   52: #define MP_WORLD_ACCESS 0x0777
   53: #define MP_OWNER_MASK   0x000f
   54: #define MP_GROUP_MASK   0x00f0
   55: #define MP_WORLD_MASK   0x0f00
   56: #define MP_SYSTM_MASK   0xf000
   57: 
   58: /* Module Type/Language values.  */
   59: #define MT_ANY          0
   60: #define MT_PROGRAM      0x0001
   61: #define MT_SUBROUT      0x0002
   62: #define MT_MULTI        0x0003
   63: #define MT_DATA         0x0004
   64: #define MT_TRAPLIB      0x000b
   65: #define MT_SYSTEM       0x000c
   66: #define MT_FILEMAN      0x000d
   67: #define MT_DEVDRVR      0x000e 
   68: #define MT_DEVDESC      0x000f
   69: #define MT_MASK         0xff00
   70: 
   71: #define ML_ANY          0
   72: #define ML_OBJECT       1
   73: #define ML_ICODE        2
   74: #define ML_PCODE        3
   75: #define ML_CCODE        4
   76: #define ML_CBLCODE      5
   77: #define ML_FRTNCODE     6
   78: #define ML_MASK         0x00ff
   79: 
   80: #define mktypelang(type, lang)  (((type) << 8) | (lang))
   81: 
   82: /* Module Attribute values.  */
   83: #define MA_REENT        0x80
   84: #define MA_GHOST        0x40
   85: #define MA_SUPER        0x20
   86: #define MA_MASK         0xff00
   87: #define MR_MASK         0x00ff
   88: 
   89: #define mkattrevs(attr, revs)   (((attr) << 8) | (revs))
   90: 
   91: #define m_user          m_owner.grp_usr.usr
   92: #define m_group         m_owner.grp_usr.grp
   93: #define m_group_user    m_owner.group_user
   94: 
   95: /* Macro definitions for accessing module header fields.  */
   96: #define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name))
   97: #if 0
   98: /* Appears not to be used, and the u_int32 typedef is gone (because it
   99:    conflicted with a Mach header.  */
  100: #define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size)
  101: #endif /* 0 */
  102: #define MHCOM_BYTES_SIZE 80
  103: #define N_BADMAG(a) (((a).a_info) != MODSYNC)
  104: 
  105: typedef struct mh_com
  106: {
  107:   /* Sync bytes ($4afc).  */
  108:   unsigned char m_sync[2];
  109:   unsigned char m_sysrev[2];    /* System revision check value.  */
  110:   unsigned char m_size[4];      /* Module size.  */
  111:   unsigned char m_owner[4];     /* Group/user id.  */
  112:   unsigned char m_name[4];      /* Offset to module name.  */
  113:   unsigned char m_access[2];    /* Access permissions.  */
  114:   unsigned char m_tylan[2];     /* Type/lang.  */
  115:   unsigned char m_attrev[2];    /* Rev/attr.  */
  116:   unsigned char m_edit[2];      /* Edition.  */
  117:   unsigned char m_needs[4];     /* Module hardware requirements flags. (reserved).  */
  118:   unsigned char m_usage[4];     /* Comment string offset.  */
  119:   unsigned char m_symbol[4];    /* Symbol table offset.  */
  120:   unsigned char m_exec[4];      /* Offset to execution entry point.  */
  121:   unsigned char m_excpt[4];     /* Offset to exception entry point.  */
  122:   unsigned char m_data[4];      /* Data storage requirement.  */
  123:   unsigned char m_stack[4];     /* Stack size.  */
  124:   unsigned char m_idata[4];     /* Offset to initialized data.  */
  125:   unsigned char m_idref[4];     /* Offset to data reference lists.  */
  126:   unsigned char m_init[4];      /* Initialization routine offset.  */
  127:   unsigned char m_term[4];      /* Termination routine offset.  */
  128:   unsigned char m_ident[2];     /* Ident code for ident program.  */
  129:   char          m_spare[8];     /* Reserved bytes.  */
  130:   unsigned char m_parity[2];    /* Header parity.  */
  131: } mh_com,*Mh_com;
  132: 
  133: /* Executable memory module.  */
  134: typedef mh_com *Mh_exec,mh_exec;
  135: 
  136: /* Data memory module.  */
  137: typedef mh_com *Mh_data,mh_data;
  138: 
  139: /* File manager memory module.  */
  140: typedef mh_com *Mh_fman,mh_fman;
  141: 
  142: /* Device driver module.  */
  143: typedef mh_com *Mh_drvr,mh_drvr;
  144: 
  145: /* Trap handler module.  */
  146: typedef mh_com mh_trap, *Mh_trap;
  147: 
  148: /* Device descriptor module.  */
  149: typedef mh_com *Mh_dev,mh_dev;
  150: 
  151: /* Configuration module.  */
  152: typedef mh_com *Mh_config, mh_config;
  153: 
  154: #if 0 
  155: 
  156: #if !defined(_MODDIR_H)
  157: /* Go get _os_fmod (and others).  */
  158: #include <moddir.h>
  159: #endif
  160: 
  161: error_code _os_crc (void *, u_int32, int *);
  162: error_code _os_datmod (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_data **);
  163: error_code _os_get_moddir (void *, u_int32 *);
  164: error_code _os_initdata (mh_com *, void *);
  165: error_code _os_link (char **, mh_com **, void **, u_int16 *, u_int16 *);
  166: error_code _os_linkm (mh_com *, void **, u_int16 *, u_int16 *);
  167: error_code _os_load (char *, mh_com **, void **, u_int32, u_int16 *, u_int16 *, u_int32);
  168: error_code _os_mkmodule (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_com **, u_int32);
  169: error_code _os_modaddr (void *, mh_com **);
  170: error_code _os_setcrc (mh_com *);
  171: error_code _os_slink (u_int32, char *, void **, void **, mh_com **);
  172: error_code _os_slinkm (u_int32, mh_com *, void **, void **);
  173: error_code _os_unlink (mh_com *);
  174: error_code _os_unload (char *, u_int32);
  175: error_code _os_tlink (u_int32, char *, void **, mh_trap **, void *, u_int32);
  176: error_code _os_tlinkm (u_int32, mh_com *, void **, void *, u_int32);
  177: error_code _os_iodel (mh_com *);
  178: error_code _os_vmodul (mh_com *, mh_com *, u_int32);
  179: #endif /* 0 */
  180: 
  181: #endif